Service manual

17
MSC-GA20VB
MSC-GA25VB
MSC-GA35VB
Indoor electronic control P.C. board
CN302
Indoor coil thermistor (RT12)
Room temperature thermistor (RT11)
Temperature (:)
Resistance (k")
SW2
(Refer to 8-4.)
1sets the Auto restart
function ON/OFF.
2switches over MU&MUX type/
MUH & MXZ type.
Power supply input
230V AC
Varistor
(NR11)
Fuse F11 250V AC 3.15A
Room temperature
thermistor RT11
Indoor coil
thermistor
RT12
Timer short mode
point JPG, JPS
(Refer to 8-1.)
Emergency
operation switch
}
}
Indoor fan motor
230V AC
}
5V DC
+
–
{
12V
DC
+
–
}
Safety device of
fan by horizontal
vane CN1R1
R132
J23
J33
J33
J12
Power monitor,
receiver P.C. board
9-6. Test point diagram and voltage
OB385B.qxp 07.5.21 4:41 PM Page 17